200 OK — session open
> POST /ai/v1/session {}
< 200 OK req_01f5jq30 60ms POST /ai/v1/search {} Idempotency-Key: 6_9ubFzB4YI3 Send ▶> POST /ai/v1/session {}
< 200 OK req_01f5jq30 60ms POST /ai/v1/search {} Idempotency-Key: 6_9ubFzB4YI3 Send ▶